Home / 852,908,645.52-1,279,441,042.56-239,488,737.84

Finding the Fourth Proportional to 852,908,645.52, 1,279,441,042.56 and 239,488,737.84

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Solution

The fourth proportional to 852,908,645.52, 1,279,441,042.56 and 239,488,737.84 is: 359,255,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,908,645.52 : 1,279,441,042.56 = 239,488,737.84 : x
  2. Step 2: Convert to fraction form
    852,908,645.52/1,279,441,042.56 = 239,488,737.84/x
  3. Step 3: Cross multiply
    852,908,645.52x = 1,279,441,042.56 × 239,488,737.84
  4. Step 4: Simplify right side
    852,908,645.52x = 306,411,720,423,388,096
  5. Step 5: Solve for x
    x = 306,411,720,423,388,096/852,908,645.52
  6. Step 6: Final answer
    x = 359,255,029.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.